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High 7.8Published Jun 2, 2022
CVE-2022-32250net/netfilter/nf_tables_api.c in the Linux kernel through 5.18.1 allows a local user (able to create user/net namespaces) to escalate privileges to root because an incorrect NFT_STATEFUL_EXPR check l…
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It affects Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem and 8 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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net/netfilter/nf_tables_api.c in the Linux kernel through 5.18.1 allows a local user (able to create user/net namespaces) to escalate privileges to root because an incorrect NFT_STATEFUL_EXPR check leads to a use-after-free.
- CVSS
- 7.8 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- mitre
- NVD analysis
- Modified
- Record last updated
- Oct 14, 2026
- First seen by InfoSec Signals
- Oct 14, 2026
Affected products
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem siemens:simatic_s7_1500_tm_mfp_gnu_linux_subsystem (from the name) | before V1.1 | CISA ADP |
linux linux_kernel linux:linux_kernel | from 4.1 before 4.9.318; from 4.10 before 4.14.283; from 4.15 before 4.19.247; from 4.20 before 5.4.198; from 5.5 before 5.10.120; from 5.11 before 5.15.45; from 5.16 before 5.17.13; from 5.18 before 5.18.2 | NVD |
fedoraproject fedora fedoraproject:fedora | 35; 36 | NVD |
debian debian_linux debian:debian_linux | 9.0; 10.0 | NVD |
netapp h300s_firmware netapp:h300s_firmware | all versions | NVD |
netapp h500s_firmware netapp:h500s_firmware | all versions | NVD |
netapp h700s_firmware netapp:h700s_firmware | all versions | NVD |
netapp h410s_firmware netapp:h410s_firmware | all versions | NVD |
netapp h410c_firmware netapp:h410c_firmware | all versions | NVD |
References
- https://www.openwall.com/lists/oss-security/2022/05/31/1x-refsource-misc, exploit, mailing-list, patch, third-party-advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/net/netfilter?id=520778042ccca019f3ffa136dd0ca565c486ceddx-refsource-misc, mailing-list, patch, vendor-advisory
- http://www.openwall.com/lists/oss-security/2022/06/03/1mailing-list, x-refsource-mlist, exploit, patch, third-party-advisory
- http://www.openwall.com/lists/oss-security/2022/06/04/1mailing-list, x-refsource-mlist, patch, third-party-advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MO6Y3TC4WUUNKRP7OQA26OVTZTPCS6F2/x-refsource-misc
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UIZTJOJCVVEJVOQSCHE6IJQKMPISHQ5L/x-refsource-misc
- https://www.debian.org/security/2022/dsa-5161x-refsource-misc, third-party-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2092427x-refsource-misc, issue-tracking, third-party-advisory
- http://www.openwall.com/lists/oss-security/2022/06/20/1mailing-list, x-refsource-mlist, third-party-advisory
- https://lists.debian.org/debian-lts-announce/2022/07/msg00000.htmlmailing-list, x-refsource-mlist, third-party-advisory
- http://www.openwall.com/lists/oss-security/2022/07/03/6mailing-list, x-refsource-mlist, third-party-advisory
- http://www.openwall.com/lists/oss-security/2022/07/03/5mailing-list, x-refsource-mlist, third-party-advisory
- https://www.debian.org/security/2022/dsa-5173vendor-advisory, x-refsource-debian, third-party-advisory
- https://security.netapp.com/advisory/ntap-20220715-0005/x-refsource-confirm, third-party-advisory
- http://www.openwall.com/lists/oss-security/2022/08/25/1mailing-list, x-refsource-mlist, patch, third-party-advisory
- https://blog.theori.io/research/CVE-2022-32250-linux-kernel-lpe-2022/x-refsource-misc, exploit, third-party-advisory
- https://github.com/theori-io/CVE-2022-32250-exploitx-refsource-misc, exploit, third-party-advisory
- http://www.openwall.com/lists/oss-security/2022/09/02/9mailing-list, x-refsource-mlist, third-party-advisory
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.